1. Product description: Three-phase electricity meter, energy meter, calibrated energy meter, LCD digital three-phase 4-wire 5 - 100A 4P KWh electricity consumption, rail-mounted, and the assembly is getting faster. 2. This meter can be used for the intermediate meter or in the switchable secondary distributor on the DIN rail. It has an LCD display with 7 + 1 digital points, allowing you to always see the electricity consumption. The LED pulse display serves as the load display for each phase of the three-phase meter. 3. It is equipped with an S0 interface for remote reading and is suitable for the building automation, energy management system industries, and power circuit equipment. It is made of thin metal and high-quality ABS materials. The certified meter can accurately detect active electrical energy with an accuracy class of 1. 4. It comes with a standard short-circuit terminal cover. For safety reasons, you can choose an extended terminal cover. The thickened copper connection ensures continuous current operation. 5. Warning! The installation of the product must be carried out by qualified professionals. The seller is not responsible for poorly (improperly) installed products and/or the damages caused thereby.